Sunnova Energy International Inc. provides residential energy services in the United States. The company offers electricity, as well as offers operations and maintenance, monitoring, repairs and replacements, equipment upgrades, on-site power optimization, and diagnostics services. As of December 31, 2021, it operated a fleet of residential solar energy systems with a generation capacity of approximately 1,140 megawatts serving over 195,000 customers. Sunnova Energy International Inc. was incorporated in 2012 and is headquartered in Houston, Texas.